{"id":28838,"date":"2023-09-12T20:51:16","date_gmt":"2023-09-12T13:51:16","guid":{"rendered":"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi"},"modified":"2023-09-12T20:51:16","modified_gmt":"2023-09-12T13:51:16","slug":"lai-phan-tich-la-gi","status":"publish","type":"post","link":"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p lai ph\u00e2n t\u00edch trong di truy\u1ec1n"},"content":{"rendered":"<p>Lai ph\u00e2n t\u00edch l\u00e0 qu\u00e1 tr\u00ecnh t\u00e1ch ri\u00eang c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ch\u00fang. B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u v\u00e0 ph\u00e2n lo\u1ea1i c\u00e1c y\u1ebfu t\u1ed1, ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c vai tr\u00f2 v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u00fang trong v\u1ea5n \u0111\u1ec1 \u0111\u00e3 cho. Lai ph\u00e2n t\u00edch gi\u00fap ch\u00fang ta c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u00e0 chi ti\u1ebft h\u01a1n, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh th\u00f4ng minh v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_40 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-6acecb56d0f6d\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6acecb56d0f6d\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#1_Khai_niem_ve_lai_phan_tich\" title=\"1. Kh\u00e1i ni\u1ec7m v\u1ec1 lai ph\u00e2n t\u00edch\">1. Kh\u00e1i ni\u1ec7m v\u1ec1 lai ph\u00e2n t\u00edch<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#Cac_loai_kieu_gen\" title=\"C\u00e1c lo\u1ea1i ki\u1ec3u gen:\">C\u00e1c lo\u1ea1i ki\u1ec3u gen:<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#Vi_du\" title=\"V\u00ed d\u1ee5:\">V\u00ed d\u1ee5:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#2_Kieu_gen_va_cac_loai_kieu_gen\" title=\"2. Ki\u1ec3u gen v\u00e0 c\u00e1c lo\u1ea1i ki\u1ec3u gen\">2. Ki\u1ec3u gen v\u00e0 c\u00e1c lo\u1ea1i ki\u1ec3u gen<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#21_Kieu_gen\" title=\"2.1 Ki\u1ec3u gen\">2.1 Ki\u1ec3u gen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#22_Cac_loai_kieu_gen\" title=\"2.2 C\u00e1c lo\u1ea1i ki\u1ec3u gen\">2.2 C\u00e1c lo\u1ea1i ki\u1ec3u gen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#3_Phep_lai_phan_tich_va_ket_qua_cua_no\" title=\"3. Ph\u00e9p lai ph\u00e2n t\u00edch v\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a n\u00f3\">3. Ph\u00e9p lai ph\u00e2n t\u00edch v\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a n\u00f3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#4_Xac_dinh_giong_thuan_chung_qua_phep_lai\" title=\"4. X\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng qua ph\u00e9p lai\">4. X\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng qua ph\u00e9p lai<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#41_Phep_lai_trong_sinh_hoc\" title=\"4.1 Ph\u00e9p lai trong sinh h\u1ecdc\">4.1 Ph\u00e9p lai trong sinh h\u1ecdc<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#411_Cach_xac_dinh_giong_thuan_chung_qua_phep_lai\" title=\"4.1.1 C\u00e1ch x\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng qua ph\u00e9p lai\">4.1.1 C\u00e1ch x\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng qua ph\u00e9p lai<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#42_Ung_dung_trong_nong_nghiep\" title=\"4.2 \u1ee8ng d\u1ee5ng trong n\u00f4ng nghi\u1ec7p\">4.2 \u1ee8ng d\u1ee5ng trong n\u00f4ng nghi\u1ec7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#5_Su_khac_nhau_giua_tuong_quan_troi_hoan_toan_va_troi_khong_hoan_toan\" title=\"5. S\u1ef1 kh\u00e1c nhau gi\u1eefa t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n v\u00e0 tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n\">5. S\u1ef1 kh\u00e1c nhau gi\u1eefa t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n v\u00e0 tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#51_Tuong_quan_troi_hoan_toan\" title=\"5.1 T\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n\">5.1 T\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#511_Vi_du_ve_tuong_quan_troi_hoan_toan\" title=\"5.1.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n\">5.1.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#52_Tuong_quan_troi_khong_hoan_toan\" title=\"5.2 T\u01b0\u01a1ng quan tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n\">5.2 T\u01b0\u01a1ng quan tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#521_Vi_du_ve_tuong_quan_troi_khong_hoan_toan\" title=\"5.2.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n\">5.2.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#6_Vi_du_ve_lai_phan_tich_trong_cay_ca_chua\" title=\"6. V\u00ed d\u1ee5 v\u1ec1 lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua\">6. V\u00ed d\u1ee5 v\u1ec1 lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#61_Loi_ich_cua_lai_phan_tich_trong_cay_ca_chua\" title=\"6.1 L\u1ee3i \u00edch c\u1ee7a lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua\">6.1 L\u1ee3i \u00edch c\u1ee7a lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#611_Vi_du_ve_lai_phan_tich_trong_cay_ca_chua\" title=\"6.1.1 V\u00ed d\u1ee5 v\u1ec1 lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua\">6.1.1 V\u00ed d\u1ee5 v\u1ec1 lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#7_Tuong_quan_troi_-_lan_trong_thuc_te_san_xuat\" title=\"7. T\u01b0\u01a1ng quan tr\u1ed9i &#8211; l\u1eb7n trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t\">7. T\u01b0\u01a1ng quan tr\u1ed9i &#8211; l\u1eb7n trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#71_Y_nghia_cua_tuong_quan_troi_trong_thuc_te_san_xuat\" title=\"7.1 \u00dd ngh\u0129a c\u1ee7a t\u01b0\u01a1ng quan tr\u1ed9i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t\">7.1 \u00dd ngh\u0129a c\u1ee7a t\u01b0\u01a1ng quan tr\u1ed9i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#711_Vi_du_ve_tuong_quan_troi_trong_thuc_te_san_xuat\" title=\"7.1.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t\">7.1.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#8_Cai_thien_viec_cung_cap_thong_tin_va_sap_xep_logic_trong_bai_viet\" title=\"8. C\u1ea3i thi\u1ec7n vi\u1ec7c cung c\u1ea5p th\u00f4ng tin v\u00e0 s\u1eafp x\u1ebfp logic trong b\u00e0i vi\u1ebft\">8. C\u1ea3i thi\u1ec7n vi\u1ec7c cung c\u1ea5p th\u00f4ng tin v\u00e0 s\u1eafp x\u1ebfp logic trong b\u00e0i vi\u1ebft<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#81_Tam_quan_trong_cua_viec_cung_cap_thong_tin_ro_rang_va_sap_xep_logic\" title=\"8.1 T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c cung c\u1ea5p th\u00f4ng tin r\u00f5 r\u00e0ng v\u00e0 s\u1eafp x\u1ebfp logic\">8.1 T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c cung c\u1ea5p th\u00f4ng tin r\u00f5 r\u00e0ng v\u00e0 s\u1eafp x\u1ebfp logic<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/lai-phan-tich-la-gi\/#811_Cai_thien_viec_cung_cap_thong_tin_va_sap_xep_logic_trong_bai_viet\" title=\"8.1.1 C\u1ea3i thi\u1ec7n vi\u1ec7c cung c\u1ea5p th\u00f4ng tin v\u00e0 s\u1eafp x\u1ebfp logic trong b\u00e0i vi\u1ebft\">8.1.1 C\u1ea3i thi\u1ec7n vi\u1ec7c cung c\u1ea5p th\u00f4ng tin v\u00e0 s\u1eafp x\u1ebfp logic trong b\u00e0i vi\u1ebft<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Khai_niem_ve_lai_phan_tich\"><\/span>1. Kh\u00e1i ni\u1ec7m v\u1ec1 lai ph\u00e2n t\u00edch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Lai ph\u00e2n t\u00edch l\u00e0 qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u v\u00e0 ph\u00e2n t\u00edch c\u00e1c s\u1ef1 k\u1ebft h\u1ee3p gen di truy\u1ec1n trong m\u1ed9t lo\u00e0i sinh v\u1eadt \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac gen c\u1ee7a ch\u00fang. Lai ph\u00e2n t\u00edch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch lai gh\u00e9p hai c\u00e1 th\u1ec3 c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n kh\u00e1c nhau v\u00e0 theo d\u00f5i s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n trong h\u1eadu du\u1ec7.<\/p>\n<p>C\u00e1c lo\u1ea1i gen \u0111\u01b0\u1ee3c xem x\u00e9t trong lai ph\u00e2n t\u00edch bao g\u1ed3m gen ki\u1ec3u, gen t\u01b0\u01a1ng t\u00e1c v\u00e0 gen m\u00f4i tr\u01b0\u1eddng. Gen ki\u1ec3u l\u00e0 nh\u1eefng gen quy\u1ebft \u0111\u1ecbnh cho c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t lo\u00e0i sinh v\u1eadt, trong khi gen t\u01b0\u01a1ng t\u00e1c li\u00ean quan \u0111\u1ebfn s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c gen kh\u00e1c nhau \u0111\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n c\u1ee5 th\u1ec3. Gen m\u00f4i tr\u01b0\u1eddng l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn bi\u1ec3u hi\u1ec7n c\u1ee7a c\u00e1c gen.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cac_loai_kieu_gen\"><\/span>C\u00e1c lo\u1ea1i ki\u1ec3u gen:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Gen ki\u1ec3u: Quy\u1ebft \u0111\u1ecbnh cho c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a sinh v\u1eadt.<\/li>\n<li>Gen t\u01b0\u01a1ng t\u00e1c: T\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c gen kh\u00e1c nhau \u0111\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n c\u1ee5 th\u1ec3.<\/li>\n<li>Gen m\u00f4i tr\u01b0\u1eddng: Y\u1ebfu t\u1ed1 t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn bi\u1ec3u hi\u1ec7n c\u1ee7a c\u00e1c gen.<\/li>\n<\/ol>\n<h4><span class=\"ez-toc-section\" id=\"Vi_du\"><\/span>V\u00ed d\u1ee5:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>V\u00ed d\u1ee5 v\u1ec1 lai ph\u00e2n t\u00edch l\u00e0 vi\u1ec7c lai gh\u00e9p hai c\u00e2y c\u00e0 chua c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o ra m\u1ed9t lo\u1ea1i c\u00e2y m\u1edbi c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m k\u1ebft h\u1ee3p t\u1eeb c\u1ea3 hai c\u00e2y g\u1ed1c. B\u1eb1ng c\u00e1ch lai gh\u00e9p, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e2y c\u00e0 chua c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c b\u1ec7nh v\u00e0 s\u00e2u b\u1ecd h\u01a1n, ho\u1eb7c c\u00f3 kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng t\u1ed1t h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Lai ph\u00e2n t\u00edch gi\u00fap cho ng\u01b0\u1eddi n\u00f4ng d\u00e2n v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac gen c\u1ee7a c\u00e2y c\u00e0 chua v\u00e0 \u00e1p d\u1ee5ng ki\u1ebfn th\u1ee9c n\u00e0y \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c lo\u1ea1i c\u00e2y m\u1edbi c\u00f3 hi\u1ec7u su\u1ea5t cao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t.<\/p>\n<p>Trong qu\u00e1 tr\u00ecnh lai ph\u00e2n t\u00edch, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u s\u1ebd ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n c\u1ee7a h\u1eadu du\u1ec7 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng gen quy\u1ebft \u0111\u1ecbnh cho c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ecd hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch c\u00e1c gen t\u01b0\u01a1ng t\u00e1c v\u00e0 t\u00e1c \u0111\u1ed9ng l\u00ean nhau \u0111\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn bi\u1ec3u hi\u1ec7n c\u1ee7a c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n. K\u1ebft qu\u1ea3 c\u1ee7a lai ph\u00e2n t\u00edch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y tr\u1ed3ng, gia s\u00fac ho\u1eb7c lo\u00e0i v\u1eadt kh\u00e1c, t\u1eeb \u0111\u00f3 n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m trong n\u00f4ng nghi\u1ec7p v\u00e0 ch\u0103n nu\u00f4i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Kieu_gen_va_cac_loai_kieu_gen\"><\/span>2. Ki\u1ec3u gen v\u00e0 c\u00e1c lo\u1ea1i ki\u1ec3u gen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_Kieu_gen\"><\/span>2.1 Ki\u1ec3u gen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ki\u1ec3u gen l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng trong di truy\u1ec1n h\u1ecdc, n\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1ch m\u00e0 c\u00e1c gen \u0111\u01b0\u1ee3c bi\u1ec3u hi\u1ec7n v\u00e0 t\u00e1c \u0111\u1ed9ng l\u00ean c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ed9t sinh v\u1eadt. C\u00f3 hai ki\u1ec3u gen ch\u00ednh l\u00e0 ki\u1ec3u gen \u00e1nh s\u00e1ng (light gene) v\u00e0 ki\u1ec3u gen b\u00f3ng t\u1ed1i (dark gene). Ki\u1ec3u gen \u00e1nh s\u00e1ng l\u00e0 khi m\u1ed9t gen \u0111\u01b0\u1ee3c bi\u1ec3u hi\u1ec7n r\u00f5 r\u00e0ng v\u00e0 c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a sinh v\u1eadt, trong khi ki\u1ec3u gen b\u00f3ng t\u1ed1i l\u00e0 khi m\u1ed9t gen kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ec3u hi\u1ec7n ho\u1eb7c ch\u1ec9 c\u00f3 \u1ea3nh h\u01b0\u1edfng nh\u1ecf \u0111\u1ebfn c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"22_Cac_loai_kieu_gen\"><\/span>2.2 C\u00e1c lo\u1ea1i ki\u1ec3u gen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i ki\u1ec3u gen kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Gen th\u1ed1ng tr\u1ecb:<\/strong> Gen n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn v\u00e0 lu\u00f4n \u0111\u01b0\u1ee3c bi\u1ec3u hi\u1ec7n trong c\u00e1c c\u00e1 th\u1ec3 lai ph\u00e2n t\u00edch.<\/li>\n<li><strong>Gen r\u00e9cessif:<\/strong> Gen n\u00e0y ch\u1ec9 \u0111\u01b0\u1ee3c bi\u1ec3u hi\u1ec7n khi kh\u00f4ng c\u00f3 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a gen th\u1ed1ng tr\u1ecb.<\/li>\n<li><strong>Gen li\u00ean k\u1ebft:<\/strong> Gen n\u00e0y n\u1eb1m tr\u00ean c\u00f9ng m\u1ed9t nhi\u1ec5m s\u1eafc th\u1ec3 v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c truy\u1ec1n l\u1ea1i c\u00f9ng nhau trong qu\u00e1 tr\u00ecnh lai ph\u00e2n t\u00edch.<\/li>\n<li><strong>Gen kh\u00f4ng li\u00ean k\u1ebft:<\/strong> Gen n\u00e0y n\u1eb1m tr\u00ean c\u00e1c nhi\u1ec5m s\u1eafc th\u1ec3 kh\u00e1c nhau v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n l\u1ea1i \u0111\u1ed9c l\u1eadp trong qu\u00e1 tr\u00ecnh lai ph\u00e2n t\u00edch.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"3_Phep_lai_phan_tich_va_ket_qua_cua_no\"><\/span>3. Ph\u00e9p lai ph\u00e2n t\u00edch v\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a n\u00f3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ph\u00e9p lai ph\u00e2n t\u00edch l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p trong di truy\u1ec1n h\u1ecdc \u0111\u1ec3 t\u1ea1o ra c\u00e1c c\u00e1 th\u1ec3 m\u1edbi b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p gen t\u1eeb hai c\u00e1 th\u1ec3 kh\u00e1c nhau. K\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p lai ph\u00e2n t\u00edch c\u00f3 th\u1ec3 l\u00e0 c\u00e1c c\u00e1 th\u1ec3 mang c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u1ed1t h\u01a1n, ho\u1eb7c mang c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c bi\u1ec7t so v\u1edbi hai c\u00e1 th\u1ec3 g\u1ed1c.<\/p>\n<p>C\u00e1c k\u1ebft qu\u1ea3 ch\u00ednh c\u1ee7a ph\u00e9p lai ph\u00e2n t\u00edch bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>T\u0103ng s\u1ef1 \u0111a d\u1ea1ng gen:<\/strong> Ph\u00e9p lai ph\u00e2n t\u00edch cho ph\u00e9p k\u1ebft h\u1ee3p gen t\u1eeb hai c\u00e1 th\u1ec3 kh\u00e1c nhau, t\u1ea1o ra s\u1ef1 \u0111a d\u1ea1ng gen m\u1edbi trong d\u00f2ng h\u1ecd.<\/li>\n<li><strong>C\u1ea3i thi\u1ec7n ph\u1ea9m ch\u1ea5t:<\/strong> B\u1eb1ng c\u00e1ch ch\u1ecdn l\u1ecdc c\u00e1c c\u00e1 th\u1ec3 c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m t\u1ed1t v\u00e0 lai ph\u00e2n t\u00edch ch\u00fang, ta c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n ph\u1ea9m ch\u1ea5t c\u1ee7a d\u00f2ng h\u1ecd.<\/li>\n<li><strong>T\u1ea1o ra c\u00e1 th\u1ec3 lai ph\u00e2n t\u00edch:<\/strong> Ph\u00e9p lai ph\u00e2n t\u00edch cho ph\u00e9p t\u1ea1o ra c\u00e1c c\u00e1 th\u1ec3 lai ph\u00e2n t\u00edch mang c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m k\u1ebft h\u1ee3p t\u1eeb hai c\u00e1 th\u1ec3 g\u1ed1c.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"4_Xac_dinh_giong_thuan_chung_qua_phep_lai\"><\/span>4. X\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng qua ph\u00e9p lai<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"41_Phep_lai_trong_sinh_hoc\"><\/span>4.1 Ph\u00e9p lai trong sinh h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong sinh h\u1ecdc, ph\u00e9p lai l\u00e0 qu\u00e1 tr\u00ecnh gh\u00e9p gen c\u1ee7a hai c\u00e1 th\u1ec3 c\u00f3 t\u00ednh ch\u1ea5t di truy\u1ec1n kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o ra m\u1ed9t con c\u00e1 th\u1ec3 m\u1edbi c\u00f3 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c t\u00ednh ch\u1ea5t di truy\u1ec1n t\u1eeb c\u1ea3 hai cha m\u1eb9. Ph\u00e9p lai \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng c\u1ee7a m\u1ed9t c\u00e1 th\u1ec3, t\u1ee9c l\u00e0 xem x\u00e9t li\u1ec7u n\u00f3 c\u00f3 mang c\u00e1c gen di truy\u1ec1n t\u1eeb m\u1ed9t lo\u00e0i hay kh\u00f4ng.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"411_Cach_xac_dinh_giong_thuan_chung_qua_phep_lai\"><\/span>4.1.1 C\u00e1ch x\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng qua ph\u00e9p lai<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng c\u1ee7a m\u1ed9t c\u00e1 th\u1ec3, ng\u01b0\u1eddi ta th\u01b0\u1eddng ti\u1ebfn h\u00e0nh ph\u00e9p lai v\u1edbi m\u1ed9t c\u00e1 th\u1ec3 kh\u00e1c c\u00f3 t\u00ednh ch\u1ea5t di truy\u1ec1n r\u00f5 r\u00e0ng v\u00e0 bi\u1ebft r\u00f5 gen di truy\u1ec1n c\u1ee7a n\u00f3. Khi hai c\u00e1 th\u1ec3 n\u00e0y \u0111\u01b0\u1ee3c giao ph\u1ed1i l\u1ea1i v\u1edbi nhau v\u00e0 cho ra con c\u00e1 th\u1ec3 m\u1edbi, ta ki\u1ec3m tra t\u00ednh ch\u1ea5t di truy\u1ec1n c\u1ee7a con c\u00e1 th\u1ec3 m\u1edbi \u0111\u1ec3 xem li\u1ec7u n\u00f3 c\u00f3 mang c\u00e1c gen t\u1eeb c\u1ea3 hai cha m\u1eb9 hay ch\u1ec9 t\u1eeb m\u1ed9t lo\u00e0i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"42_Ung_dung_trong_nong_nghiep\"><\/span>4.2 \u1ee8ng d\u1ee5ng trong n\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng qua ph\u00e9p lai c\u0169ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong n\u00f4ng nghi\u1ec7p \u0111\u1ec3 t\u1ea1o ra c\u00e1c gi\u1ed1ng c\u00e2y tr\u1ed3ng ho\u1eb7c lo\u00e0i v\u1eadt c\u00f3 t\u00ednh ch\u1ea5t di truy\u1ec1n mong mu\u1ed1n. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh gi\u1ed1ng thu\u1ea7n ch\u1ee7ng c\u1ee7a m\u1ed9t c\u00e2y tr\u1ed3ng c\u00f3 th\u1ec3 gi\u00fap n\u00f4ng d\u00e2n l\u1ef1a ch\u1ecdn nh\u1eefng c\u00e2y m\u1ea1nh m\u1ebd, kh\u00e1ng b\u1ec7nh v\u00e0 cho n\u0103ng su\u1ea5t cao h\u01a1n. \u0110\u1ed3ng th\u1eddi, ph\u00e9p lai c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c lo\u00e0i v\u1eadt c\u00f3 t\u00ednh ch\u1ea5t di truy\u1ec1n m\u1edbi, nh\u01b0 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng sinh s\u1ea3n hay kh\u00e1ng b\u1ec7nh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Su_khac_nhau_giua_tuong_quan_troi_hoan_toan_va_troi_khong_hoan_toan\"><\/span>5. S\u1ef1 kh\u00e1c nhau gi\u1eefa t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n v\u00e0 tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"51_Tuong_quan_troi_hoan_toan\"><\/span>5.1 T\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong sinh h\u1ecdc, t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n l\u00e0 khi m\u1ed9t gen \u1edf m\u1ed9t alel (d\u1ea1ng bi\u1ebfn th\u1ec3 c\u1ee7a gen) chi\u1ebfm \u01b0u th\u1ebf ho\u00e0n to\u00e0n so v\u1edbi alel kh\u00e1c. Ngh\u0129a l\u00e0 gen n\u00e0y s\u1ebd hi\u1ec3n th\u1ecb t\u00ednh ch\u1ea5t di truy\u1ec1n trong c\u00e1 th\u1ec3 khi ch\u1ec9 c\u00f3 m\u1ed9t b\u1ea3n sao c\u1ee7a gen \u0111\u00f3 t\u1ed3n t\u1ea1i.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"511_Vi_du_ve_tuong_quan_troi_hoan_toan\"><\/span>5.1.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n l\u00e0 gen m\u00e0u da trong con ng\u01b0\u1eddi. N\u1ebfu m\u1ed9t ng\u01b0\u1eddi c\u00f3 gen m\u00e0u da s\u00e1ng t\u1eeb c\u1ea3 hai cha m\u1eb9, th\u00ec t\u00ednh ch\u1ea5t di truy\u1ec1n n\u00e0y s\u1ebd hi\u1ec3n th\u1ecb trong c\u00e1 th\u1ec3 v\u00e0 ng\u01b0\u1eddi \u0111\u00f3 s\u1ebd c\u00f3 m\u00e0u da s\u00e1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"52_Tuong_quan_troi_khong_hoan_toan\"><\/span>5.2 T\u01b0\u01a1ng quan tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u01b0\u01a1ng quan tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n x\u1ea3y ra khi c\u1ea3 hai alel c\u1ee7a m\u1ed9t gen \u0111\u1ec1u g\u00f3p ph\u1ea7n v\u00e0o t\u00ednh ch\u1ea5t di truy\u1ec1n c\u1ee7a c\u00e1 th\u1ec3. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c alel c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng kh\u00e1c nhau l\u00ean t\u00ednh ch\u1ea5t di truy\u1ec1n v\u00e0 t\u1ea1o ra k\u1ebft qu\u1ea3 ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi t\u01b0\u01a1ng quan tr\u1ed9i ho\u00e0n to\u00e0n.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"521_Vi_du_ve_tuong_quan_troi_khong_hoan_toan\"><\/span>5.2.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>M\u1ed9t v\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i kh\u00f4ng ho\u00e0n to\u00e0n l\u00e0 chi\u1ec1u cao \u1edf con ng\u01b0\u1eddi. \u0110\u1ed1i v\u1edbi t\u00ednh ch\u1ea5t n\u00e0y, nhi\u1ec1u gen kh\u00e1c nhau \u1edf c\u00e1c alel kh\u00e1c nhau c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n v\u00e0o chi\u1ec1u cao c\u1ee7a c\u00e1 th\u1ec3. Do \u0111\u00f3, vi\u1ec7c x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u1ed9t c\u00e1 th\u1ec3 d\u1ef1a ch\u1ec9 v\u00e0o m\u1ed9t gen duy nh\u1ea5t l\u00e0 kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Vi_du_ve_lai_phan_tich_trong_cay_ca_chua\"><\/span>6. V\u00ed d\u1ee5 v\u1ec1 lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"61_Loi_ich_cua_lai_phan_tich_trong_cay_ca_chua\"><\/span>6.1 L\u1ee3i \u00edch c\u1ee7a lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n gi\u1ed1ng m\u1edbi c\u00f3 hi\u1ec7u su\u1ea5t cao v\u00e0 kh\u00e1ng b\u1ec7nh t\u1ed1t h\u01a1n. Vi\u1ec7c s\u1eed d\u1ee5ng lai ph\u00e2n t\u00edch gi\u00fap nh\u00e0 nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh c\u00e1c gen quan tr\u1ecdng li\u00ean quan \u0111\u1ebfn c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m mong mu\u1ed1n, nh\u01b0 k\u00edch th\u01b0\u1edbc tr\u00e1i, m\u00e0u s\u1eafc, h\u01b0\u01a1ng v\u1ecb v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c b\u1ec7nh h\u1ea1i.<\/p>\n<p>H\u01a1n n\u1eefa, lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua gi\u00fap t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh l\u1ef1a ch\u1ecdn gi\u1ed1ng th\u00f4ng qua vi\u1ec7c lo\u1ea1i b\u1ecf nh\u1eefng c\u00e2y kh\u00f4ng mong mu\u1ed1n t\u1eeb giai \u0111o\u1ea1n h\u1ea1t. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 ngu\u1ed3n l\u1ef1c cho c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 ng\u01b0\u1eddi s\u1ea3n xu\u1ea5t.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"611_Vi_du_ve_lai_phan_tich_trong_cay_ca_chua\"><\/span>6.1.1 V\u00ed d\u1ee5 v\u1ec1 lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>M\u1ed9t v\u00ed d\u1ee5 v\u1ec1 lai ph\u00e2n t\u00edch trong c\u00e2y c\u00e0 chua l\u00e0 vi\u1ec7c t\u1ea1o ra m\u1ed9t gi\u1ed1ng c\u00e0 chua c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i b\u1ec7nh t\u1ed1t h\u01a1n. Nh\u00e0 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p lai ph\u00e2n t\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c gen quan tr\u1ecdng li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i b\u1ec7nh v\u00e0 sau \u0111\u00f3 t\u1ea1o ra m\u1ed9t gi\u1ed1ng m\u1edbi c\u00f3 nh\u1eefng gen n\u00e0y.<\/p>\n<p>K\u1ebft qu\u1ea3 l\u00e0, gi\u1ed1ng c\u00e0 chua m\u1edbi n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i b\u1ec7nh cao h\u01a1n so v\u1edbi c\u00e1c gi\u1ed1ng th\u00f4ng th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi s\u1ea3n xu\u1ea5t gi\u1ea3m s\u1eed d\u1ee5ng thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t c\u00e2y tr\u1ed3ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_Tuong_quan_troi_-_lan_trong_thuc_te_san_xuat\"><\/span>7. T\u01b0\u01a1ng quan tr\u1ed9i &#8211; l\u1eb7n trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" alt=\"7. T\u01b0\u01a1ng quan tr\u1ed9i - l\u1eb7n trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t\" src=\"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-content\/uploads\/2023\/09\/tim_hieu_ve_phuong_phap_lai_phan_tich_trong_di_truyen.jpeg\" style=\"text-align: center; clear: both; display: block; margin: 0 auto;\" title=\"7. T\u01b0\u01a1ng quan tr\u1ed9i - l\u1eb7n trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t\"\/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"71_Y_nghia_cua_tuong_quan_troi_trong_thuc_te_san_xuat\"><\/span>7.1 \u00dd ngh\u0129a c\u1ee7a t\u01b0\u01a1ng quan tr\u1ed9i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u01b0\u01a1ng quan tr\u1ed9i l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng trong l\u0129nh v\u1ef1c kinh t\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t. N\u00f3 cho bi\u1ebft m\u1ed1i quan h\u1ec7 gi\u1eefa hai bi\u1ebfn s\u1ed1 v\u00e0 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t bi\u1ebfn s\u1ed1 l\u00ean bi\u1ebfn s\u1ed1 kh\u00e1c.<\/p>\n<p>Trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, vi\u1ec7c hi\u1ec3u r\u00f5 t\u01b0\u01a1ng quan tr\u1ed9i gi\u1eefa c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 chi ph\u00ed, hi\u1ec7u su\u1ea5t v\u00e0 doanh thu c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi qu\u1ea3n l\u00fd \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh chi\u1ebfn l\u01b0\u1ee3c nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 t\u0103ng c\u01b0\u1eddng l\u1ee3i nhu\u1eadn.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"711_Vi_du_ve_tuong_quan_troi_trong_thuc_te_san_xuat\"><\/span>7.1.1 V\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>M\u1ed9t v\u00ed d\u1ee5 v\u1ec1 t\u01b0\u01a1ng quan tr\u1ed9i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t l\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa chi ph\u00ed nguy\u00ean li\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch d\u1eef li\u1ec7u, ng\u01b0\u1eddi qu\u1ea3n l\u00fd c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a chi ph\u00ed nguy\u00ean li\u1ec7u l\u00ean hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t.<\/p>\n<p>N\u1ebfu c\u00f3 m\u1ed9t t\u01b0\u01a1ng quan tr\u1ed9i \u00e2m, t\u1ee9c l\u00e0 khi chi ph\u00ed nguy\u00ean li\u1ec7u t\u0103ng th\u00ec hi\u1ec7u su\u1ea5t gi\u1ea3m, ng\u01b0\u1eddi qu\u1ea3n l\u00fd c\u00f3 th\u1ec3 xem x\u00e9t vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean li\u1ec7u thay th\u1ebf ho\u1eb7c c\u1ea3i thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t cao.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"8_Cai_thien_viec_cung_cap_thong_tin_va_sap_xep_logic_trong_bai_viet\"><\/span>8. C\u1ea3i thi\u1ec7n vi\u1ec7c cung c\u1ea5p th\u00f4ng tin v\u00e0 s\u1eafp x\u1ebfp logic trong b\u00e0i vi\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"81_Tam_quan_trong_cua_viec_cung_cap_thong_tin_ro_rang_va_sap_xep_logic\"><\/span>8.1 T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c cung c\u1ea5p th\u00f4ng tin r\u00f5 r\u00e0ng v\u00e0 s\u1eafp x\u1ebfp logic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c cung c\u1ea5p th\u00f4ng tin r\u00f5 r\u00e0ng v\u00e0 s\u1eafp x\u1ebfp logic trong b\u00e0i vi\u1ebft l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ng\u01b0\u1eddi \u0111\u1ecdc hi\u1ec3u v\u00e0 ti\u1ebfp thu n\u1ed9i dung m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. Khi th\u00f4ng tin \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 c\u00f3 tr\u1eadt t\u1ef1 logic, ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 th\u1ec3 n\u1eafm b\u1eaft \u00fd ch\u00ednh c\u1ee7a b\u00e0i vi\u1ebft v\u00e0 t\u1ea1o ra s\u1ef1 k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c \u00fd ki\u1ebfn v\u00e0 th\u00f4ng tin.<\/p>\n<p>Vi\u1ec7c cung c\u1ea5p th\u00f4ng tin r\u00f5 r\u00e0ng v\u00e0 s\u1eafp x\u1ebfp logic c\u0169ng gi\u00fap t\u0103ng t\u00ednh thuy\u1ebft ph\u1ee5c c\u1ee7a b\u00e0i vi\u1ebft. Khi c\u00e1c \u00fd ki\u1ebfn v\u00e0 th\u00f4ng tin \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y theo m\u1ed9t tr\u1eadt t\u1ef1 h\u1ee3p l\u00fd, ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 xu h\u01b0\u1edbng tin t\u01b0\u1edfng v\u00e0o nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y v\u00e0 ch\u1ea5p nh\u1eadn c\u00e1c lu\u1eadn \u0111i\u1ec3m \u0111\u01b0\u1ee3c \u0111\u01b0a ra.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"811_Cai_thien_viec_cung_cap_thong_tin_va_sap_xep_logic_trong_bai_viet\"><\/span>8.1.1 C\u1ea3i thi\u1ec7n vi\u1ec7c cung c\u1ea5p th\u00f4ng tin v\u00e0 s\u1eafp x\u1ebfp logic trong b\u00e0i vi\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>S\u1eed d\u1ee5ng c\u00e2u v\u0103n ng\u1eafn g\u1ecdn, d\u1ec5 hi\u1ec3u \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t \u00fd ki\u1ebfn.<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c li\u00ean k\u1ebft logic nh\u01b0 &#8220;do \u0111\u00f3&#8221;, &#8220;v\u00ec v\u1eady&#8221; \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c \u00fd ki\u1ebfn v\u00e0 th\u00f4ng tin.<\/li>\n<li>S\u1eafp x\u1ebfp c\u00e1c \u00fd ki\u1ebfn v\u00e0 th\u00f4ng tin theo m\u1ed9t tr\u1eadt t\u1ef1 logic, t\u1eeb \u00fd ch\u00ednh \u0111\u1ebfn c\u00e1c \u00fd ph\u1ee5.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i \u0111o\u1ea1n v\u0103n ch\u1ec9 tr\u00ecnh b\u00e0y m\u1ed9t \u00fd ch\u00ednh duy nh\u1ea5t.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y, vi\u1ec7c cung c\u1ea5p th\u00f4ng tin v\u00e0 s\u1eafp x\u1ebfp logic trong b\u00e0i vi\u1ebft s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc hi\u1ec3u v\u00e0 ti\u1ebfp thu n\u1ed9i dung m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<p>Lai ph\u00e2n t\u00edch l\u00e0 qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u1ec3 t\u00ecm ra m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c y\u1ebfu t\u1ed1. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau nh\u01b0 kinh t\u1ebf, x\u00e3 h\u1ed9i h\u1ecdc, khoa h\u1ecdc m\u00e1y t\u00ednh&#8230; Lai ph\u00e2n t\u00edch gi\u00fap ta hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 \u1ea3nh h\u01b0\u1edfng v\u00e0 t\u01b0\u01a1ng quan gi\u1eefa c\u00e1c bi\u1ebfn s\u1ed1, t\u1eeb \u0111\u00f3 mang l\u1ea1i nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh v\u00e0 d\u1ef1 b\u00e1o trong th\u1ef1c t\u1ebf. \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 h\u1eefu \u00edch cho vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n \u0111a ng\u00e0nh.<br \/>\n<iframe loading=\"lazy\" title=\"Ph\u00e9p lai ph\u00e2n t\u00edch sinh h\u1ecdc 9 - c\u00f4 D\u01b0\u01a1ng Thu H\u00e0 | HOCMAI\" width=\"790\" height=\"444\" src=\"https:\/\/www.youtube.com\/embed\/Tl-f_AODSNc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lai ph\u00e2n t\u00edch l\u00e0 qu\u00e1 tr\u00ecnh t\u00e1ch ri\u00eang c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ch\u00fang. B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u&#8230; <\/p>\n","protected":false},"author":1,"featured_media":28837,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-28838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khai-niem-1"],"_links":{"self":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/28838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/comments?post=28838"}],"version-history":[{"count":0,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/28838\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media\/28837"}],"wp:attachment":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media?parent=28838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/categories?post=28838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/tags?post=28838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}